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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_LAYERS_LAYER_CLIENT_H_
#define CC_LAYERS_LAYER_CLIENT_H_
#include "base/memory/scoped_ptr.h"
#include "cc/base/cc_export.h"
namespace base {
namespace trace_event {
class ConvertableToTraceFormat;
}
}
namespace cc {
class Layer;
class CC_EXPORT LayerClient {
public:
// Returns a pointer to a debug info object, if one has been computed.
// If not, returns nullptr.
// If the returned pointer is non-nullptr, the caller takes
// ownership of the pointer.
//
// A pointer to the layer is provided for the convenience of layer clients
// which service multiple layers.
virtual scoped_ptr<base::trace_event::ConvertableToTraceFormat> TakeDebugInfo(
Layer* layer) = 0;
protected:
virtual ~LayerClient() {}
};
} // namespace cc
#endif // CC_LAYERS_LAYER_CLIENT_H_
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